Oracle Databases running on Windows XP with Simple File Sharing enabled, allows remote attackers to bypass authentication by supplying a valid username.
Oracle 8i and 9i with PL/SQL package for External Procedures (EXTPROC) allows remote attackers to bypass authentication and execute arbitrary functions by using the TNS Listener to directly connect to the EXTPROC process.
Unspecified vulnerability in the Net Listener component of Oracle Database server 8.1.7.4, 9.0.1.5, 9.0.1.5 FIPS, and 9.2.0.7 has unspecified impact and attack vectors, as identified by Oracle Vuln# DB11.